Finding the Fourth Proportional to 65,878.09, 98,713.59 and 50,921.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,878.09 : 98,713.59 = 50,921.82 : x
2. Step 2: Convert to fraction form
   65,878.09/98,713.59 = 50,921.82/x
3. Step 3: Cross multiply
   65,878.09x = 98,713.59 × 50,921.82
4. Step 4: Simplify right side
   65,878.09x = 5,026,675,661.53
5. Step 5: Solve for x
   x = 5,026,675,661.53/65,878.09
6. Step 6: Final answer
   x = 76,302.69